Question about 2004 Buick LeSabre

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Sometimes the blower will turn on and sometimes it won't.

The blower motor will turn on and somtimes it won't on a 97 lesabre. When it does run, it will start out fine and then fade out and stop.

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The windings inside your blower motor itself are most likly bad it appears you need a new motor.

Posted on Oct 03, 2009

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2003 bick lesabre blower not working, changed both blower and resistor and fuses. Worked for a few days then quit.


Did you carefully clean out all the debris from the heater box? Did your new blower come with a new fan unit, or re-use the old one? Can you hear the motor run but not blow? These fans are fragile when old, and sometime break right where they attach, thus no blow. If not running, check for current at motor, then resistor, then fuse. Only thing left is the switch.

Jan 06, 2015 | 2003 Buick LeSabre

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Blower control


Check connector at the blower motor. The ground burns up in the connector. Also try this turn the blower motor on speed 3 then smack the bottom of the blower motor. If it starts blowing the brushes in the motor are worn out. Replace the blower motor.

Feb 01, 2014 | Buick LeSabre Cars & Trucks

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The blower motor comes on when it wants to, somtimes not at all and somtimes works perfect, it has the digital selector, could the digital selector be bad? and also its in c and not f, anyway to change...


I would think the problem lies with the blower motor, as the motor carbon brushes wear down the operation can become erratic. Next time it won't run hit the blower motor with a hammer handle or something like that and see if it starts up, if it does replace the blower motor.

Oct 31, 2012 | Buick Cars & Trucks

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Will bad blower resistor cause blower to stop working at all?


yes a bad resistor will. but also check the blower motor

Sep 14, 2012 | 1999 Buick LeSabre

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97 Buick lesabre blower motor does not turn on,no heat present from heater core,if you hot wire blower motor from battery,blower does turn on


check blower relay located under hood or passenger side kick panel also climate control panel is common problem on these and other GM cars

Dec 31, 2011 | 1996 Buick LeSabre

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My 1998 Buick Lesabre Custom's fan blower doesn't work consistently. Sometimes it'll work, sometimes it doesn't. Sometimes it comes on right when I turn on the car, sometimes it'll come on down the road...


you need to replace the blower motor resister. on the inside, passenger side glovebox area or near the center. really easy to do. unplug the wires and take out a couple of screws, its that simple

Jan 10, 2011 | 1998 Buick LeSabre

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My 97 buick lesabre limited heater/ac blower quit, it has the climate control,I checked all fuses.


REMOVE HEATER BLOWER MOTOR HOT WIRE BLOWER MOTOR IT.IF IT WORKS.YOUR AC AND HEATER CONTROL SWITCH IS FAULTY.CHECK HVAC FUSES AND CHECK BLOWER MOTOR RELAY.IF BLOWER MOTOR DONT WORK WHEN HOT WIRE REPLACE IT.IF ALL CHECK OUT GOOD.HAVE DEALERSHIP DO A DIAGNOSTIC TEST ON YOUR CLIMATE CONTROL SYSTEM.

Dec 02, 2010 | 1997 Buick LeSabre

1 Answer

My heater blower comes on a long while after I turn in on. Sometimes it doesn't come on and sometimes it does. Everything else works well except for this The blower works great too when it runs.


could be the blower motor itself. if you are handy with a voltmeter, you can check to see if the blower motor is getting power while the switch is on. if it gets power and doesn't run, there's your problem. sometimes electric motors have a tendency when they are failing to come and go, working fine once they get going. its the getting it started from a stop that can be the problem.

Feb 19, 2010 | 1998 Buick LeSabre

1 Answer

Why would a blower work sometimes and sometimes it won't on a 97 lesabre? When it does work, it will start on high and then fade out until it stops. How hard is a diy fix?


If you have a Volt Meter you can check the voltage to the fan motor. If the motor voltage drops you may have a bad fan switch, if your voltage stay's steady you have a bad fan motor. If you do not have a Volt Meter, when the motor starts to slow down tap on the motor with a small hammer lightly. If the motor speed picks up you have a bad motor.

Oct 03, 2009 | 1997 Buick LeSabre

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